Relative directivity factor explained

Relative directivity factor (RDF) is a figure of merit for radio receiving antennas.[1] It is the antenna gain in the forward direction divided by the gain in all other directions. It is also called the signal to noise improvement factor (SNIF).[2]

Notes and References

  1. Web site: Low Band Receiving Antenna Comparisons . Lee Strahan . 16 February 2018.
    - Web site: Comments on the WD8DSB Terminated Bow-Tie RX Antenna . Rudy Severns . 2016-12-20 . 16 February 2018.
  2. Web site: Receiving Antenna Comparison Chart . Lee Strahan . Hi-Z Antennas . Culver, OR . 16 February 2018.

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